JPS6356073A - Locus display unit - Google Patents

Locus display unit

Info

Publication number
JPS6356073A
JPS6356073A JP19947286A JP19947286A JPS6356073A JP S6356073 A JPS6356073 A JP S6356073A JP 19947286 A JP19947286 A JP 19947286A JP 19947286 A JP19947286 A JP 19947286A JP S6356073 A JPS6356073 A JP S6356073A
Authority
JP
Japan
Prior art keywords
moving object
picture
image
still
high speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19947286A
Other languages
Japanese (ja)
Inventor
Seiichi Sawada
誠一 澤田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP19947286A priority Critical patent/JPS6356073A/en
Publication of JPS6356073A publication Critical patent/JPS6356073A/en
Pending legal-status Critical Current

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  • Studio Circuits (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

PURPOSE:To securely display the passed locus of a high speed moving object and moreover to consist it in a comparatively low cost by displaying with superposing a multiple picture of the moving object which is sequentially extracted and stored on a stored background picture. CONSTITUTION:A still picture pickup camera 2 photographs the still pictures of the area where the high speed moving object is going to pass at the speed of about sixty pieces/second and a background recording device 6 adds the obtained still picture data and the picture data stored before that so as to newly store and always recordes only the picture of the still object as the background picture. A picture processing part 3 obtains a difference between the still picture and the background picture and fetches only image of the high speed moving object, which is superposed on the image of the high speed moving object stored in a recording device 4 till the last time so as to form the multiple picture and then the locus of the high speed moving object is recorded in the recording device 4. A display 5 superposes the background picture on the multiple picture which shows the locus of the high speed moving object and displays it on a CRT screen.

Description

【発明の詳細な説明】 (発明の分野) この発明は、高速移動体に適用される軌跡表示装置に関
する。
DETAILED DESCRIPTION OF THE INVENTION (Field of the Invention) The present invention relates to a trajectory display device applied to a high-speed moving object.

(発明の概要) この発明では、被写体を光電的に@影する静止S像カメ
ラを、移動体の通過予定位置に視野を固定した状態で設
け、該静止比像カメラから逐次jqられる静止画像から
背景画像を抽出するとともに、静止i像カメラから逐次
骨られる静止画像と記憶された背景画像とを比較するこ
とにより、移動体画像を抽出して記憶し、逐次抽出され
た移動体画像を多重画像として記憶し、記憶された移動
体多重画像と記憶された背景画像とを重ねてCRT画面
などに表示させるようにしたものである。
(Summary of the Invention) In this invention, a static S-image camera that photoelectrically shadows a subject is provided with its field of view fixed at a position where a moving object is expected to pass, and the static S-image camera is used to capture images from still images successively received from the static ratio image camera. By extracting a background image and comparing still images sequentially obtained from a still i-image camera with the stored background image, moving object images are extracted and stored, and the sequentially extracted moving object images are combined into multiple images. The stored moving object multiplexed image and the stored background image are displayed on a CRT screen or the like in a superimposed manner.

(従来技術とその問題点) 高速移動体の通過軌跡を表示させる用途としては、例え
ばテニスゲームにおけるザービスポールの落下軌跡の表
示、野球における投球のストライクゾーン通過軌跡、ポ
ーリングにおけるボールの通過軌跡表示、ビリヤードに
おりるボールの通過軌跡の表示あるいは鳥の飛行軌跡の
表示などのような様々なものがある。
(Prior art and its problems) Applications for displaying the trajectory of a high-speed moving object include, for example, displaying the falling trajectory of a service pole in a tennis game, displaying the trajectory of a pitcher passing through a strike zone in baseball, displaying the trajectory of a ball in polling, There are various methods such as displaying the trajectory of a ball falling in billiards or displaying the trajectory of a bird's flight.

これらの軌跡を表示する場合、従来は移動体が通過予定
位置に到来した時点において、連続して高速でストロボ
を点滅させ、その間にカメラのシャッタを開放状態とし
てこれを撮影する方法、高速で開閉するメカシャッタを
備えたカメラを利用する方法、PLZT電子シ電子シャ
ツ力付ラによって撮影する方法などが行なわれている。
When displaying these trajectories, the conventional method is to flash a strobe continuously at high speed when the moving object arrives at the expected passing position, and then shoot the camera by opening and closing the shutter at high speed. A method of using a camera equipped with a mechanical shutter, a method of taking pictures using a PLZT electronic shirt-loading camera, etc. have been used.

しかしながら、ストロボを使用する場合にあっては、装
置が高価でまた周囲が暗くないと効果がなく、さらに対
象となる移動体に人間が関係している場合にはこれに不
快感を与えるという問題があり、またメカシャツタイ寸
のカメラにあっては寿命が短くまた小型化や低コスト化
が困難であり、ざらにPLZT電子シ電子シャツ力付ラ
による場合には偏光を利用するため光量低下が著しく、
また大きな印加電圧を必要とするなどの問題点があった
However, when using a strobe, the device is expensive, it is ineffective unless the surroundings are dark, and there is a problem that it causes discomfort when there are people involved in the target moving object. In addition, mechanical shirt-tie-sized cameras have short lifespans and are difficult to downsize and reduce costs, and PLZT electronic shirt-type cameras use polarized light, which reduces the amount of light. is significantly,
Further, there were other problems such as the need for a large applied voltage.

(発明の目的) この発明の目的は、高速移動物体の通過軌跡を確実に表
示させることができ、しかも比較的安価に構成が可能な
軌跡表示装置を提供することにある。
(Object of the Invention) An object of the present invention is to provide a trajectory display device that can reliably display the trajectory of a high-speed moving object and can be constructed at a relatively low cost.

(発明の構成と効果) 仁の発明は上記の目的を達成するために、移動体の通過
予定位置に視野を固定した状態で設Cブられ、被写体を
光電的にR影する静止@像カメラと、静止R像カメラか
ら逐次前られる静止画像から背景画像を抽出して記憶す
る手段と、 静止la像カメラから逐次前られる静止画像と記憶され
た背景画像とを比較することにより、移動体画像を抽出
して記憶する手段と、 逐次抽出された移動体画像を多重画像として記憶する手
段と、 記憶された移動体多重画像と記憶された背景画像とを重
ねて表示する表示手段と、 を具備することを特徴とするものである。
(Structure and Effects of the Invention) In order to achieve the above object, Jin's invention provides a static @image camera that is installed with its field of view fixed at the position where the moving object is expected to pass, and that photoelectrically shadows the object. means for extracting and storing background images from still images successively forwarded from the still R-image camera; and means for extracting and storing background images from still images successively forwarded from the still R-image camera; means for extracting and storing the moving object images, means for storing the sequentially extracted moving object images as a multiplexed image, and display means for displaying the stored moving object multiplexed image and the stored background image in an overlapping manner. It is characterized by:

このような構成によれば、高速移動体の通過軌跡を確実
にCRT画面上に表示させ、しかも比較的安価に構成す
ることが可能である。
According to such a configuration, it is possible to reliably display the passing locus of a high-speed moving object on the CRT screen, and it can be constructed at a relatively low cost.

(実施例の説明) 第1図は本発明装置の一実施例を示すブロック図である
(Description of Embodiment) FIG. 1 is a block diagram showing an embodiment of the apparatus of the present invention.

同図において、静止@像カメラ2は高速移動体1の通過
する特定エリアの静止画像を60枚/秒程度の速度で撮
影し、この得られた静止画像を画像処理装置3と背景記
録装置6へと供給するようになされている。
In the figure, a still @ image camera 2 takes still images of a specific area through which a high-speed moving object 1 passes at a speed of about 60 frames per second, and the obtained still images are sent to an image processing device 3 and a background recording device 6. It is designed to supply

ここで用いられる静止搬像カメラは、既に当社から出願
溝の特願昭6l−1C)1740号のものですので、そ
の内容を簡単に述べると、通常のCODカメラでは、垂
直同期信号から次の垂直同期信号までの期間が1フイー
ルドの蓄積!■間であるのに対し、当先願ではこの1フ
イ一ルド期間中にクリアパルスを挿入してvi像部をオ
ールクリアすることによって、クリアから次の垂直同期
信号までの期間を電荷蓄積期間とし、蓄積期間の短縮化
The stationary image camera used here has already been filed by our company in Japanese Patent Application No. 1740 (Sho 6l-1C), so to briefly describe its contents, in a normal COD camera, the following The period up to the vertical synchronization signal is 1 field accumulation! ■In contrast, in the previous application, by inserting a clear pulse during this one field period to completely clear the VI image area, the period from clear to the next vertical synchronization signal is treated as a charge accumulation period. , shortening the accumulation period.

つまりシャッタスピードの高速化を図ったものです。In other words, it aims to increase the shutter speed.

背景記録装置6では、静止比像カメラ2から得られた静
止画像のデータNi′とそれ以前に記憶している画像の
データNi−+を の式に従って加算し、1qられる画像データNiを新た
に記憶する。このことによって、背景記録装置6には、
常に静止している物体の画像だけが背景画像として記録
されることになる。
The background recording device 6 adds the still image data Ni′ obtained from the still ratio image camera 2 and the previously stored image data Ni−+ according to the formula, and newly calculates the image data Ni obtained by 1q. Remember. As a result, the background recording device 6 has the following information:
Only images of objects that are always stationary will be recorded as background images.

画像処理部3は、静止穎像カメラ2から送られてくる静
止画像と、背景記録装置6に記憶されている背景画像の
差を取り出すことによって、高速移動体の像だけを取り
出す。
The image processing unit 3 extracts only the image of the high-speed moving object by extracting the difference between the still image sent from the still image camera 2 and the background image stored in the background recording device 6.

この像を記録装置4に記憶された高速移動体の舶回まで
の像に重ね合せて多重画像を形成し、記録装置4に送り
込み記録装置4の内容を更新する。
This image is superimposed on the image of the high-speed moving body up to the ship's turn stored in the recording device 4 to form a multiplexed image, which is sent to the recording device 4 to update the contents of the recording device 4.

以上の処理を繰返し行なうことによって、高速移動体の
軌跡が記録装置4に記録されていく(第2図参照〉。
By repeating the above process, the locus of the high-speed moving object is recorded in the recording device 4 (see FIG. 2).

次いで、表示装置5は、背景記録装置6から送られてく
る背景画像と、画像処理装置3から送られてくる高速移
動体の軌跡を示す多重画像とを手ね合せ、これをCRT
画面に表示させる。
Next, the display device 5 combines the background image sent from the background recording device 6 and the multiplexed image showing the trajectory of the high-speed moving object sent from the image processing device 3, and displays this on a CRT.
Display it on the screen.

すると、第2図に示されるように、高速移動体1が、倣
形時間間隔を隔てて連続的に静止画像として表示される
こととなり、これにより全体として移動体1の通過軌跡
を確認することができるのである。
Then, as shown in FIG. 2, the high-speed moving object 1 is displayed continuously as still images at intervals of the profiling time, so that the trajectory of the moving object 1 as a whole can be confirmed. This is possible.

なお、第2図において、黒枠で囲まれているのは通過予
定ゾーンであり、例えば野球におけるストライクゾーン
、テニスにおけるサービスゾーンなどに相当するわけで
ある。
Note that in FIG. 2, the zone surrounded by a black frame is the planned passage zone, which corresponds to, for example, the strike zone in baseball or the service zone in tennis.

以上の実施例の説明でも明らかなように、この発明によ
れば高速移動体の移動軌跡を静止画像としてCRT画面
上に表示させることができ、またストロボ装置やメカシ
ャッタを備えたカメラあるいはPLZTシャッタを備え
たカメラに比べ、この種の表示処理を安価な構成で達成
することができる。
As is clear from the above description of the embodiments, according to the present invention, the movement locus of a high-speed moving object can be displayed as a still image on a CRT screen, and a camera equipped with a strobe device, a mechanical shutter, or a PLZT shutter can be used. This type of display processing can be achieved with an inexpensive configuration compared to a camera equipped with a camera.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明装置の構成を示すブロック図、第2図は
表示画面の一例を示す説明図である。 1・・・高速移動体 2・・・静止搬像カメラ 訃・・画像処理装置 4・・・記録装置 5・・・表示装置 6・・・背景記録袋B 第1図 第2図 7f樋ユ渇子定イ立X) (a)(b)(C)
FIG. 1 is a block diagram showing the configuration of the apparatus of the present invention, and FIG. 2 is an explanatory diagram showing an example of a display screen. 1...High-speed moving body 2...Stationary image carrying camera...Image processing device 4...Recording device 5...Display device 6...Background recording bag B Fig. 1 Fig. 2 Fig. 7f Gutter Yu Kiriko Sadai Standing X) (a) (b) (C)

Claims (1)

【特許請求の範囲】[Claims] (1)移動体の通過予定位置に視野を固定した状態で設
けられ、被写体を光電的に撮影する静止撮像カメラと、 静止撮像カメラから逐次得られる静止画像から背景画像
を抽出して記憶する手段と、 静止撮像カメラから逐次得られる静止画像と記憶された
背景画像とを比較することにより、移動体画像を抽出し
て記憶する手段と、 逐次抽出された移動体画像を多重画像として記憶する手
段と、 記憶された移動体多重画像と記憶された背景画像とを重
ねて表示する表示手段と、 を具備することを特徴とする軌跡表示装置。
(1) A still imaging camera that is installed with a fixed field of view at a position where the moving object is expected to pass and that photographs the subject photoelectrically, and a means for extracting and storing background images from the still images sequentially obtained from the still imaging camera. a means for extracting and storing a moving object image by comparing still images sequentially obtained from a still imaging camera and a stored background image; and a means for storing sequentially extracted moving object images as a multiplexed image. A trajectory display device comprising:; and display means for displaying a stored moving object multiple image and a stored background image in an overlapping manner.
JP19947286A 1986-08-26 1986-08-26 Locus display unit Pending JPS6356073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19947286A JPS6356073A (en) 1986-08-26 1986-08-26 Locus display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19947286A JPS6356073A (en) 1986-08-26 1986-08-26 Locus display unit

Publications (1)

Publication Number Publication Date
JPS6356073A true JPS6356073A (en) 1988-03-10

Family

ID=16408367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19947286A Pending JPS6356073A (en) 1986-08-26 1986-08-26 Locus display unit

Country Status (1)

Country Link
JP (1) JPS6356073A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274624A (en) * 1993-03-06 1994-09-30 Sung N Jee Method and apparatus for detection of change in motion of projected body
JP2004248725A (en) * 2003-02-18 2004-09-09 National Institute Of Advanced Industrial & Technology Analysis device and method of shot ball
JP2014095624A (en) * 2012-11-09 2014-05-22 Casio Comput Co Ltd Measuring apparatus, measuring method, and program
CN108961414A (en) * 2017-05-19 2018-12-07 中兴通讯股份有限公司 A kind of display control method and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274624A (en) * 1993-03-06 1994-09-30 Sung N Jee Method and apparatus for detection of change in motion of projected body
JP2004248725A (en) * 2003-02-18 2004-09-09 National Institute Of Advanced Industrial & Technology Analysis device and method of shot ball
JP2014095624A (en) * 2012-11-09 2014-05-22 Casio Comput Co Ltd Measuring apparatus, measuring method, and program
CN108961414A (en) * 2017-05-19 2018-12-07 中兴通讯股份有限公司 A kind of display control method and device

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